Francisco José de Caldas

Events

1

Episodes

3

Years

1808–1809

Every event in Historedia whose sources name Francisco José de Caldas, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. 1808 mystery volcano eruption with global climatic impact

   1808–1809

   Role: Director of the Astronomical Observatory of Bogotá

   1. 11808 · South-western Pacific OceanWestern Pacific Candidates

      The south-western Pacific Ocean between Indonesia and Tonga is identified as a likely area for the mystery eruption.

   2. 211 December 1808 · BogotáCaldas Observation

      Francisco José de Caldas reported a transparent cloud obstructing the sun's brilliance in 1809, first observed on 11 December 1808.

   3. 31809 · Antarctic and GreenlandIce Core Analysis

      A 1991 study of Antarctic and Greenland ice cores found a sulfate spike in early 1809, roughly half that of the 1815 eruption of Mount Tambora.

Sources

1. 1808 mystery eruption Wikipedia, revision of 2026-04-10